3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump((1<<61)+1); echo number_format((1<<61)+1);
based on 0IolN
Output for 4.3.0 - 4.3.1, 5.2.1 - 7.2.0
int(2305843009213693953) 2,305,843,009,213,693,952
Output for 4.3.2 - 5.2.0
int(2305843009213693953) 2,305,843,009,213,694,000